* {
    margin: 0;
    padding: 0;
    text-decoration: none;
}
#container {
    width: 600px;
    height: 400px;
    border: none;
    overflow: hidden;
    position: relative;
    border-radius: 5px;
}

#list {
    width: 4200px;
    height: 400px;
    position: absolute;
    z-index: 1;
}

#list img {
    float: left;
}

#buttons {
    position: absolute;
    height: 10px;
    width: 100px;
    z-index: 2;
    bottom: 20px;
    left: 250px;
}

#buttons span {
    cursor: pointer;
    float: left;
    border: 1px solid #fff;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #333;
    margin-right: 5px;
}

#buttons .on {
    background: rgb(245, 167, 138);
}

.arrow {
    cursor: pointer;
    display: none;
    position: absolute;
    z-index: 2;
    top: 180px;
    color: #fff;
    font-size: 40px;
    font-family: "华文琥珀","楷体";
}

.arrow:hover {
    color: #535455;
}

#container:hover .arrow {
    display: block;
}

#prev {
    left: 20px;
}

#next {
    right: 20px;
}
